主动反干扰（AAJ）通信系统的节能设计

IF 4.6 3区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Wireless Communications Letters Pub Date : 2023-09-05 DOI:10.1109/LWC.2023.3312306

Jianhui Ma;Hongyang Chen;Qiang Li;Nirwan Ansari

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引用次数: 1

摘要

主动抗干扰技术（AAJ）是一种很有前途的缓解极强和宽带干扰的技术，它允许发射节点通过对干扰信号进行重新调制，并设定放大系数来发送信息。然而，如何优化这些放大系数仍是一个未决问题。在这封信中，我们为支持 AAJ 的通信系统提出了一种节能设计。具体来说，我们研究了能效问题，并将其表述为在最小所需速率和功率放大器硬件限制条件下的总能耗最小化，这变成了一个二次编程问题。通过内点法得到了相应的最佳放大系数。数值结果表明，在传输速率相同的情况下，所提出的高能效 AAJ 方案比直接传输节能 76.8%。

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Energy-Efficient Design for Active Anti-Jamming (AAJ) Communications System

As a promising technique in mitigating extremely strong and broadband jamming, active anti-jamming (AAJ) allows a transmitter node to send messages by re-modulating jamming signals with programmed amplification factors. However, how to optimize these amplification factors is still an open issue. In this letter, we propose an energy-efficient design for AAJ-enabled communications systems. In particular, the energy efficiency problem is studied and formulated as the total energy consumption minimization subject to the minimum required rate and the hardware limit of the power amplifier, which turns out to be a quadratic programming problem. The corresponding optimal amplification factors are obtained by the interior point method. Numerical results indicate that with the equal transmission rate, the proposed energy-efficient AAJ scheme can provide 76.8% energy saving as compared with the direct transmission.

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来源期刊

IEEE Wireless Communications Letters Engineering-Electrical and Electronic Engineering

CiteScore

12.30

自引率

6.30%

发文量

481

期刊介绍： IEEE Wireless Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of wireless communications. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of wireless communication systems.